Friday, August 1, 2014

Digital Elevation Model


DEM, or Digital Elevation Models, are 3D representations of surface topography. A colored scale is used to show the difference in elevation. Grey scales can be used by colored scales can highlight unforeseen features. In this DEM, a ridge is depicted between two mountain features. The red shading indicate the low points on the map. The blue represents the highest features. Color shading can help depict differential elevation between separate features of relief.

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